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65 lines
1.9 KiB
Plaintext
65 lines
1.9 KiB
Plaintext
NAME
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digit - digit at specified position in a decimal representation
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SYNOPSIS
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digit(x, y)
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TYPES
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x real
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y integer
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return integer
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DESCRIPTION
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By extending the digits on the left, and if necessary, the digits
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on the right, by infinite strings of zeros, abs(x) may be considered
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to have the decimal representation:
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... d_2 d_1 d_0.d_-1 d_-2 ...
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digit(x,y) then returns the digit d_y.
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EXAMPLE
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> x = 12.34
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> print digit(x,2), digit(x,1), digit(x,0), digit(x,-1), digit(x,-2)
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0 1 2 3 4
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> x = 10/7
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> print digit(x,1), digit(x,0), digit(x,-1), digit(x,-2), digit(x,-3)
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0 1 4 2 8
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LIMITS
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If x is not an integer, y > -2^31
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LINK LIBRARY
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long qdigit(NUMBER *x, long y)
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SEE ALSO
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bit
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## Copyright (C) 1999 Landon Curt Noll
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##
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## Calc is open software; you can redistribute it and/or modify it under
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## the terms of the version 2.1 of the GNU Lesser General Public License
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## as published by the Free Software Foundation.
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##
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## Calc is distributed in the hope that it will be useful, but WITHOUT
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## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
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## Public License for more details.
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##
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## A copy of version 2.1 of the GNU Lesser General Public License is
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## distributed with calc under the filename COPYING-LGPL. You should have
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## received a copy with calc; if not, write to Free Software Foundation, Inc.
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## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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##
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## @(#) $Revision: 29.1 $
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## @(#) $Id: digit,v 29.1 1999/12/14 09:15:47 chongo Exp $
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## @(#) $Source: /usr/local/src/cmd/calc/help/RCS/digit,v $
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##
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## Under source code control: 1995/10/03 10:40:01
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## File existed as early as: 1995
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##
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## chongo <was here> /\oo/\ http://reality.sgi.com/chongo/
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## Share and enjoy! :-) http://reality.sgi.com/chongo/tech/comp/calc/
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